UID: 17332, Registered at 2025-4-15 13:04:55, last login at 2025-4-15 13:04:55, currently offline.
Solved 12 problems, RP: 50.35 (No. 4900)
By signing up a CodeFun2000 universal account, you can submit code and join discussions in all online judging services provided by us.
Using your CodeFun2000 universal account